2004 Opel Zafira vs. 1999 Toyota Sienna
To start off, 2004 Opel Zafira is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 1999 Toyota Sienna would be higher. At 3,001 cc (6 cylinders), 1999 Toyota Sienna is equipped with a bigger engine. In terms of performance, 1999 Toyota Sienna (210 HP @ 5200 RPM) has 65 more horse power than 2004 Opel Zafira. (145 HP @ 5800 RPM) In normal driving conditions, 1999 Toyota Sienna should accelerate faster than 2004 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 1999 Toyota Sienna weights approximately 210 kg more than 2004 Opel Zafira. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1999 Toyota Sienna (285 Nm @ 4300 RPM) has 82 more torque (in Nm) than 2004 Opel Zafira. (203 Nm @ 4000 RPM). This means 1999 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Zafira.
Compare all specifications:
| 2004 Opel Zafira | 1999 Toyota Sienna | |
| Make | Opel | Toyota |
| Model | Zafira | Sienna |
| Year Released | 2004 | 1999 |
| Body Type | Minivan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2196 cc | 3001 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 145 HP | 210 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 203 Nm | 285 Nm |
| Torque RPM | 4000 RPM | 4300 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 94.6 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Vehicle Weight | 1495 kg | 1705 kg |
| Vehicle Length | 4320 mm | 4920 mm |
| Vehicle Width | 1750 mm | 1870 mm |
| Vehicle Height | 1640 mm | 1720 mm |
| Wheelbase Size | 2530 mm | 2910 mm |
